<template>
    <div>
          <!----面包屑导航区域-->
         <el-breadcrumb separator-class="el-icon-arrow-right">
           <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
           <el-breadcrumb-item>商品管理</el-breadcrumb-item>
           <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

           <!---卡片视图区域--->
        <el-card>
            <!---搜索框--->
            <el-row :gutter="20" > 
                <el-col :span="8">  
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                   <el-button type="primary" @click="goAddpage">添加商品</el-button> 
                </el-col>
            </el-row>

            <!---table表格区域--->
            <el-table :data="goodList" border stripe>
                <!---索引列--->
                <el-table-column type="index"> </el-table-column>

                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格（元）" prop="goods_price" width="120px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                          {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="200px">
                    <template slot-scope="scope" >
                        <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>

            </el-table>

            <!--分页区域---->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total" background="">
            </el-pagination>




        </el-card>
    </div>
</template>

<script>


export default {
    data(){
        return{
           //查询参数对象
          queryInfo:{
             query:'',
             pagenum:1,
             //每页显示多少条数据
             pagesize:10

          },
          goodList:[],
          total:0
        }
    },
    created(){
       this.getGoodsList()
    },

    methods:{
       
       //根据分页获取相对于的商品列表
       async getGoodsList(){
          const{data:res}=await this.$http.get('goods',{params:
          this.queryInfo

          })
          if(res.meta.status!==200){
              return this.$message.error('获取商品列表失败！');
          }
           this.$message.success('获取商品列表成功！')
           //console.log(res.data)
           this.goodList=res.data.goods
           this.total=res.data.total

       },

       //切换pagesize
       handleSizeChange(newsize){
         this.queryInfo.pagesize=newsize;
         this.goodList()

       },
       //切换pagenum
       handleCurrentChange(newpage){
           this.queryInfo.pagenum=newpage
           this.getGoodsList()

       },

       //根据id删除对应的商品
       async removeById(id){
          const confirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)

        //判断是否为confirm即判断删除
        if(confirmResult!=='confirm'){
            return this.$message.info('已经取消了删除')
        }
        
        const{data:res}=await this.$http.delete(`goods/${id}`)

        if(res.meta.status!==200){
            return this.$message.error('删除商品失败！')
        }
        console.log(res.data)
        this.$message.success('删除商品成功！')
        this.getGoodsList()


       },

       //添加商品的界面
       goAddpage(){
           this.$router.push('/goods/add')
       }

       
  
  
    }
}
</script>

<style lang="less" scoped>

</style>